The first international cup they took part in was the Copa Libertadores in 1970 as the champion of Ecuador.
LDU Quito had the most success in the Recopa Sudamericana, winning back-to-back titles in 2009 and 2010.
LDU Quito is the first, and to date, the only Ecuadorian club to win any of the aforementioned tournaments.
They hold the record with most semifinal appearances totaling four times (2004, 2009, 2010, 2011).
Liga won both editions and are currently the second most successful club in the competition.
They finished as the runner-up to the European champions, Manchester United.